content: Move constrained window code from TabContents to TabContentsWrapper

chrome/browser/ui/tab_contents/tab_contents_wrapper_delegate.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_DELEGATE_H_
 #define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_DELEGATE_H_
 #pragma once
 
 #include "base/basictypes.h"
 
 class TabContentsWrapper;
 struct WebApplicationInfo;
 
 // Objects implement this interface to get notified about changes in the
 // TabContentsWrapper and to provide necessary functionality.
 class TabContentsWrapperDelegate {
  public:
   // Notification that a user's request to install an application has completed.
   virtual void OnDidGetApplicationInfo(TabContentsWrapper* source,
                                        int32 page_id);
 
   // Notification when an application programmatically requests installation.
   virtual void OnInstallApplication(TabContentsWrapper* source,
                                     const WebApplicationInfo& app_info);
 
   virtual void SwapTabContents(TabContentsWrapper* old_tc,
                                TabContentsWrapper* new_tc) = 0;
 
+  // Invoked prior to the TabContentsWrapper showing a constrained window.
+  virtual void WillShowConstrainedWindow(TabContentsWrapper* source);
+
+  // Returns true if constrained windows should be focused. Default is true.
+  virtual bool ShouldFocusConstrainedWindow();
+
+  // Changes the blocked state of |wrapper|. TabContents are considered blocked
+  // while displaying a tab modal dialog. During that time renderer host will
+  // ignore any UI interaction within TabContent outside of the currently
+  // displaying dialog.
+  virtual void SetTabContentBlocked(TabContentsWrapper* wrapper, bool blocked);

[Avi (use Gerrit), 2011/09/28 00:16:50]

Are these for the constrained window stuff? (Looks like it!) Then make a
ConstrainedWindowTabHelperDelegate. Tab helpers get their own delegates; don't
make them all share one big messy file.

+
  protected:
   virtual ~TabContentsWrapperDelegate();
 };
 
 #endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_DELEGATE_H_